Mobile scaffolding is widely used in China and has been widely loved and praised by users. Fastener-type mobile scaffolding has been applied in China since the early 1960s. Because of its flexible assembly and disassembly, convenient handling, strong versatility and low price, it has been widely used in China and its usage has taken up a large proportion. Over 60% is the most mobile scaffold currently used. But the biggest weakness of this kind of mobile scaffolding scaffolding is its poor safety, low construction efficiency, high consumption of materials and high production cost.
The raw material steel pipes for mobile scaffolding are ubiquitous throughout the country. The products of steel pipes are relatively large. There are about 10 million tons of steel pipes for mobile scaffolding nationwide. However, more than 80% of them are inferior, overdue and unqualified. The total number of fasteners is about 1.0-1.2 billion, of which 90% are unqualified products. Unqualified steel pipes and fasteners with large size have become potential safety hazards in building construction. According to incomplete data, from 2001 to 2007, more than 70 accidents of fastener-type scaffolding collapsed, including more than 200 deaths and 400 injuries. A collapse accident has been reminding manufacturers of mobile scaffolding that they need to pay attention to the quality of mobile scaffolding. The products produced should meet the national production standards and meet the national product implementation standards. In the last century, China imported portal scaffolding, bowl-button scaffolding and other forms of mobile scaffolding from abroad. These kinds of mobile scaffolding are widely used in China, and have been popularized to major construction companies. They are widely used in the construction industry, and are constantly improving and perfecting their functions.
Portal mobile scaffolding has been widely used in many domestic projects, and achieved good results. Because of the quality problems of the products of portal scaffolding, this kind of scaffolding has not been widely applied. Now there are a number of domestic door scaffolding manufacturers, most of their products are processed according to foreign drawings. Bowl-buckle scaffolding is a new type of scaffolding, which is widely used, but it is not widely used, only in some areas and some projects. Recently, some domestic mobile scaffolding enterprises have introduced foreign advanced technology and developed a variety of new scaffolding, such as plug-in scaffolding, CRAB module scaffolding, disc scaffolding, square tower scaffolding, and various types of climbing scaffolding. Technically speaking, scaffolding enterprises in China already have the ability to process and produce various new scaffolds. However, the domestic market has not yet formed, and the understanding of the new scaffolding by construction enterprises is still insufficient. The ability to adopt new technologies is not enough. The main task of domestic scaffolding enterprises is external processing. A stable market is not formed, which is unfavorable to the development history of mobile scaffolds.
With the emergence of a large number of modern large-scale building systems in China, fastener-type mobile scaffolding can no longer meet the needs of construction development. It is urgent to vigorously develop and promote the application of new scaffolding, which needs the attention and development of manufacturers. Practice has proved that the new scaffolding is not only safe and reliable in construction, but also fast in assembly and disassembly. The steel consumption of scaffolding can be reduced by 33%, the efficiency of assembly and disassembly can be increased by more than two times, the construction cost can be significantly reduced, and the construction site is civilized and neat. Therefore, we should try our best to use the new mobile scaffolding in the construction to ensure the safety and reliability of the construction, and not or reduce the collapse accidents in the construction.
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